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How would you seal this gap around kitchen sink plumbing?
(sh.itjust.works)
This is for a rental unit, so I'm trying to keep the cost low, while also sealing it away from silverfish. I have very fine steel wool on hand as well as a tube of DAP ultra clear flexible all purpose sealant.
Thanks, are there any that you'd recommend which are heat and rodent resistant?
Most of the time rodents will not go through expanding foam sealant, most of the time. If you use some steel wool and then inject the foam into steel wool that would keep even the adventurous rodents out. How much heat? Expanding foam should have a heat rating. If you are worried about just hot pipes you can get a little piece of pipe insulation and put that around the pipes first.
Unfortunately, I don’t have any experience with the foam sealants that claim to be rodent resistant (my use case was air, moisture, bug sealing). But, they do exist, so that is likely a good place to go.